diff options
Diffstat (limited to 'drivers/xen/xenbus')
-rw-r--r-- | drivers/xen/xenbus/xenbus_dev_frontend.c | 2 | ||||
-rw-r--r-- | drivers/xen/xenbus/xenbus_xs.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 89f76252a16f..ac727028e658 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp, goto out; /* Can't write a xenbus message larger we can buffer */ - if ((len + u->len) > sizeof(u->u.buffer)) { + if (len > sizeof(u->u.buffer) - u->len) { /* On error, dump existing buffer */ u->len = 0; rc = -EINVAL; diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index f5dda83ad7a5..acedeabe589c 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -627,6 +627,7 @@ static struct xenbus_watch *find_watch(const char *token) */ static bool xen_strict_xenbus_quirk(void) { +#ifdef CONFIG_X86 uint32_t eax, ebx, ecx, edx, base; base = xen_cpuid_base(); @@ -634,6 +635,7 @@ static bool xen_strict_xenbus_quirk(void) if ((eax >> 16) < 4) return true; +#endif return false; } |